【VC开源代码栏目提醒】:网学会员鉴于大家对VC开源代码十分关注,论文会员在此为大家搜集整理了“ConvertImageDlg.cpp”一文,供大家参考学习
// ConvertImageDlg.cpp : implementation file
//
#include "stdafx.h"
#include "ConvertImage.h"
#include "ConvertImageDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About
class CAboutDlg : public CDialog
{
public:
CAboutDlg();
// Dialog Data
//{{AFX_DATA(CAboutDlg)
enum { IDD = IDD_ABOUTBOX };
//}}AFX_DATA
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CAboutDlg)
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
//}}AFX_VIRTUAL
// Implementation
protected:
//{{AFX_MSG(CAboutDlg)
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
//{{AFX_DATA_INIT(CAboutDlg)
//}}AFX_DATA_INIT
}
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CAboutDlg)
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
//{{AFX_MSG_MAP(CAboutDlg)
// No message handlers
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CConvertImageDlg dialog
CConvertImageDlg::CConvertImageDlg(CWnd* pParent /*=NULL*/)
: CDialog(CConvertImageDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CConvertImageDlg)
// NOTE: the ClassWizard will add member initialization here
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CConvertImageDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CConvertImageDlg)
DDX_Control(pDX, IDC_IMAGENAME, m_ImageName);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CConvertImageDlg, CDialog)
//{{AFX_MSG_MAP(CConvertImageDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_CONVERT, OnConvert)
ON_BN_CLICKED(IDC_QUIT, OnQuit)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CConvertImageDlg message handlers
BOOL CConvertImageDlg::OnInitDialog()
{
CDialog::OnInitDialog();
// Add "About..." menu item to system menu.
// IDM_ABOUTBOX must be in the system command range.
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);
CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
{
CString strAboutMenu;
strAboutMenu.LoadString(IDS_ABOUTBOX);
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}
// Set the icon for this dialog. The framework does this automatically
// when the application's main window is not a dialog
SetIcon(m_hIcon, TRUE); // Set big icon
SetIcon(m_hIcon, FALSE); // Set small icon
GdiplusStartup(&m_pGdiToken,&m_Gdiplus,NULL);
CButton *pButton = NULL;
pButton = (CButton*)GetDlgItem(IDC_JPEG);
if (pButton != NULL)
{
pButton->SetCheck(BST_CHECKED);
}
return TRUE; // return TRUE unless you set the focus to a control
}
void CConvertImageDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialog::OnSysCommand(nID, lParam);
}
}
// If you add a minimize button to your dialog, you will need the code below
// to draw the icon. For MFC applications using the document/view model,
// this is automatically done for you by the framework.
void CConvertImageDlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // device context for painting
SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
// Center icon in client rectangle
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// Draw the icon
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialog::OnPaint();
}
}
// The system calls this to obtain the cursor to display while the user drags
// the minimized window.
HCURSOR CConvertImageDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CConvertImageDlg::OnOK()
{
CFileDialog flDlg(TRUE,NULL,NULL,OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,
"图像文件|*.bmp;*.jpeg;*.jpg;*.gif|所有文件|*.*||",this);
if (flDlg.DoModal()==IDOK)
{
m_FileName = flDlg.GetPathName();
m_ImageName.SetWindowText(m_FileName);
}
}
int GetCodecClsid(const WCHAR* format, CLSID* pClsid)
{
UINT num = 0; //记录图像编码的数量
UINT size = 0; //记录编码数组大小
ImageCodecInfo* pImageCodecInfo = NULL; //定义图像编码信息
GetImageEncodersSize(&num, &size); //获取图像编码的数量和编码数组大小
if(size == 0)
return -1;
pImageCodecInfo = (ImageCodecInfo*)(malloc(size));
if(pImageCodecInfo == NULL)
return -1;
GetImageEncoders(num, size, pImageCodecInfo); //获取图像编码
for(UINT j = 0; j < num; ++j) //匹配图像格式,
{
if( wcscmp(pImageCodecInfo[j].MimeType, format) == 0 )
{
*pClsid = pImageCodecInfo[j].Clsid;
return j;
}
}
return -1;
}
void CConvertImageDlg::OnConvert()
{
if (TestButtonState(IDC_JPEG))
{
CFileDialog flDlg(FALSE,"jpeg","convert",OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,"所有文件|*.*||",this);
if (flDlg.DoModal()==IDOK)
{
CString svname = flDlg.GetPathName();
Bitmap bmp(m_FileName.AllocSysString());
CLSID clsid;
GetCodecClsid(L"image/jpeg", &clsid);
bmp.Save(svname.AllocSysString(),&clsid);
}
}
else if (TestButtonState(IDC_BMP))
{
CFileDialog flDlg(FALSE,"bmp","convert",OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,"所有文件|*.*||",this);
if (flDlg.DoModal()==IDOK)
{
CString svname = flDlg.GetPathName();
Bitmap bmp(m_FileName.AllocSysString());
CLSID clsid ;
GetCodecClsid(L"image/bmp", &clsid);
bmp.Save(svname.AllocSysString(),&clsid);
}
}
else
{
CFileDialog flDlg(FALSE,"gif","convert",OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,"所有文件|*.*||",this);
if (flDlg.DoModal()==IDOK)
{
CString svname = flDlg.GetPathName();
Bitmap bmp(m_FileName.AllocSysString());
CLSID clsid = ImageFormatGIF;
GetCodecClsid(L"image/gif", &clsid);
bmp.Save(svname.AllocSysString(),&clsid);
}
}
}
BOOL CConvertImageDlg::TestButtonState(UINT BTNID)
{
CButton *pButton = NULL;
pButton = (CButton*)GetDlgItem(BTNID);
if (pButton != NULL)
{
if (pButton->GetCheck()==BST_
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